英语人教版八年级下册Unit 8 Grammar .ppt

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1、攀枝花市教育体育局初中五个学科核心知识优课课题：人教版英语八年级下册Unit8HaveyoureadTreasureIslandyet?SectionA2d&GrammarFocus授课人：攀枝花市二十五中小学校刘维Unit8HaveyoureadTreasureIslandyet?SectionA2d&GrammarFocusAliceinWonderlandLittleWomenTomSawyerOliverTwistRobinsonCrusoeTreasureIslandWhatbookshaveyouread?Whatmov

2、ieshaveyouseen?Whatsongshaveyouheard?NewSoulBigBigworldGodisAGirl……DutyReportbookshaveyouread?Whatmovieshaveyouseen?songshaveyouheard?Whatdoyouthinkofthem?2dReadtheconversationandanswerthefollowingquestions.1.WhichbookdidStevedecidetowriteforEnglishclass?2.HasStevefini

3、shedreadingLittleWomenyet?3.HasAmyfinishedreadingTreasureIslandyet?LittleWomenYes,hehas.No,shehasn’t.She’sonlyonpage25.Teachingaims1.现在完成时态定义2.现在完成时态的构成3.现在完成时态的四种基本句型4.过去分词的变化规律5.现在完成时态句子的标志性词和短语PresentPerfectTenseDiscussTurntopage110.DiscussinthegroupsaboutPresentPer

4、fectTense.1.定义2.构成3.四中基本句型4.过去分词变化规律5.标志性词或短语PresentPerfectTense一、现在完成时态的两种情况1、表示过去发生或已经完成的某一动作对现在造成的影响或结果Ihavealreadyfinishedmyhomework.Shehascollected200stamps.2、表示动作或状态从过去一直延续到现在。Thedoghasbeenillfortwoweeks.Ihavetaughtinthisschoolfor20years.二.现在完成时态的构成助动词have/has+过去

5、分词三、句式结构1、肯定句：have/has+过去分词如：Thegirlhasstayedherefor3years.Wehaveeatenourbreakfast.2、否定句：have/hasnot+过去分词如：Theboyhasn’tfinishedhishomework.Ihaven’treceivedyourletteryet.3、一般疑问句：Have/Has+主语+过去分词？Haveyoufinishedyourworkyet?HasshereadLittleWomenyet?4、特殊疑问句：特殊疑问词+have/has+

6、主语+过去分词？如：HowmanytimeshaveyoubeentoHainan?Whathashelearnedfromthebook?PracticeIhavefinishedmyhomework.否定句：一般疑问句：肯定回答：否定回答：划线部分提问：Ihaven’tfinishedmyhomework.Haveyoufinishedyourhomework?Yes,Ihave.No,Ihaven’t.Whathaveyoufinished?四、过去分词：一种动词形式，用在被动语态或现在完成时。1.规则变化：learn-lea

7、rnedfinish-finisheddecide-decided….2.不规则变化see-saw-seen;be-was,were-beenhit-hit-hit;shoot-shot-shot…五、常见的一些标志词或短语：1.already,just,yet1）我已经打扫了房间。I____already_____therooms.（用于肯定句）2)老师刚刚才离开教室。Theteacher_____just____theclassroom.3)他还没有完成他的工作。He_________hisworkyet.4）你已经完成你的作业

8、了吗？____you____yourhomeworkyet?注：yet用于否定句，构成“not…yet”结构，意思是“还没有、、、”在疑问句中用yet代替already表示“已经”的意思。IhaveknownBobforthreeye